diff --git a/lib/Cake/Test/Case/Utility/FileTest.php b/lib/Cake/Test/Case/Utility/FileTest.php
index ce433a7f3..f596767c4 100644
--- a/lib/Cake/Test/Case/Utility/FileTest.php
+++ b/lib/Cake/Test/Case/Utility/FileTest.php
@@ -23,6 +23,7 @@ App::uses('Folder', 'Utility');
  * FileTest class
  *
  * @package       Cake.Test.Case.Utility
+ * @coversDefaultClass File
  */
 class FileTest extends CakeTestCase {
 
@@ -62,6 +63,15 @@ class FileTest extends CakeTestCase {
  * testBasic method
  *
  * @return void
+ * @covers ::__construct
+ * @covers ::info
+ * @covers ::ext
+ * @covers ::name
+ * @covers ::md5
+ * @covers ::size
+ * @covers ::owner
+ * @covers ::group
+ * @covers ::Folder
  */
 	public function testBasic() {
 		$file = CAKE . DS . 'LICENSE.txt';
@@ -126,6 +136,7 @@ class FileTest extends CakeTestCase {
  * testPermission method
  *
  * @return void
+ * @covers ::perms
  */
 	public function testPermission() {
 		$this->skipIf(DIRECTORY_SEPARATOR === '\\', 'File permissions tests not supported on Windows.');
@@ -172,6 +183,7 @@ class FileTest extends CakeTestCase {
  * testRead method
  *
  * @return void
+ * @covers ::read
  */
 	public function testRead() {
 		$file = __FILE__;
@@ -203,6 +215,7 @@ class FileTest extends CakeTestCase {
  * testOffset method
  *
  * @return void
+ * @covers ::offset
  */
 	public function testOffset() {
 		$this->File->close();
@@ -235,6 +248,7 @@ class FileTest extends CakeTestCase {
  * testOpen method
  *
  * @return void
+ * @covers ::open
  */
 	public function testOpen() {
 		$this->File->handle = null;
@@ -259,6 +273,7 @@ class FileTest extends CakeTestCase {
  * testClose method
  *
  * @return void
+ * @covers ::close
  */
 	public function testClose() {
 		$this->File->handle = null;
@@ -276,6 +291,9 @@ class FileTest extends CakeTestCase {
  * testCreate method
  *
  * @return void
+ * @covers ::create
+ * @covers ::exists
+ * @covers ::clearStatCache
  */
 	public function testCreate() {
 		$tmpFile = TMP . 'tests' . DS . 'cakephp.file.test.tmp';
@@ -287,6 +305,8 @@ class FileTest extends CakeTestCase {
  * testOpeningNonExistentFileCreatesIt method
  *
  * @return void
+ * @covers ::open
+ * @covers ::create
  */
 	public function testOpeningNonExistentFileCreatesIt() {
 		$someFile = new File(TMP . 'some_file.txt', false);
@@ -300,6 +320,7 @@ class FileTest extends CakeTestCase {
  * testPrepare method
  *
  * @return void
+ * @covers ::prepare
  */
 	public function testPrepare() {
 		$string = "some\nvery\ncool\r\nteststring here\n\n\nfor\r\r\n\n\r\n\nhere";
@@ -320,6 +341,7 @@ class FileTest extends CakeTestCase {
  * testReadable method
  *
  * @return void
+ * @covers ::readable
  */
 	public function testReadable() {
 		$someFile = new File(TMP . 'some_file.txt', false);
@@ -333,6 +355,7 @@ class FileTest extends CakeTestCase {
  * testWritable method
  *
  * @return void
+ * @covers ::writable
  */
 	public function testWritable() {
 		$someFile = new File(TMP . 'some_file.txt', false);
@@ -346,6 +369,7 @@ class FileTest extends CakeTestCase {
  * testExecutable method
  *
  * @return void
+ * @covers ::executable
  */
 	public function testExecutable() {
 		$someFile = new File(TMP . 'some_file.txt', false);
@@ -359,6 +383,7 @@ class FileTest extends CakeTestCase {
  * testLastAccess method
  *
  * @return void
+ * @covers ::lastAccess
  */
 	public function testLastAccess() {
 		$someFile = new File(TMP . 'some_file.txt', false);
@@ -373,6 +398,7 @@ class FileTest extends CakeTestCase {
  * testLastChange method
  *
  * @return void
+ * @covers ::lastChange
  */
 	public function testLastChange() {
 		$someFile = new File(TMP . 'some_file.txt', false);
@@ -391,6 +417,7 @@ class FileTest extends CakeTestCase {
  * testWrite method
  *
  * @return void
+ * @covers ::write
  */
 	public function testWrite() {
 		if (!$tmpFile = $this->_getTmpFile()) {
@@ -421,6 +448,7 @@ class FileTest extends CakeTestCase {
  * testAppend method
  *
  * @return void
+ * @covers ::append
  */
 	public function testAppend() {
 		if (!$tmpFile = $this->_getTmpFile()) {
@@ -457,6 +485,7 @@ class FileTest extends CakeTestCase {
  * testDelete method
  *
  * @return void
+ * @covers ::delete
  */
 	public function testDelete() {
 		if (!$tmpFile = $this->_getTmpFile()) {
@@ -482,6 +511,7 @@ class FileTest extends CakeTestCase {
  * active filehandles open.
  *
  * @return void
+ * @covers ::delete
  */
 	public function testDeleteAfterRead() {
 		if (!$tmpFile = $this->_getTmpFile()) {
@@ -499,6 +529,7 @@ class FileTest extends CakeTestCase {
  * testCopy method
  *
  * @return void
+ * @covers ::copy
  */
 	public function testCopy() {
 		$dest = TMP . 'tests' . DS . 'cakephp.file.test.tmp';
@@ -527,6 +558,7 @@ class FileTest extends CakeTestCase {
  * Test mime()
  *
  * @return void
+ * @covers ::mime
  */
 	public function testMime() {
 		$this->skipIf(!function_exists('finfo_open') && !function_exists('mime_content_type'), 'Not able to read mime type');
@@ -566,6 +598,7 @@ class FileTest extends CakeTestCase {
  * testReplaceText method
  *
  * @return void
+ * @covers ::replaceText
  */
 	public function testReplaceText() {
 		$TestFile = new File(dirname(__FILE__) . '/../../test_app/Vendor/welcome.php');
@@ -603,6 +636,7 @@ class FileTest extends CakeTestCase {
  * do not exist.
  *
  * @return void
+ * @covers ::pwd
  */
 	public function testNoPartialPathBeingSetForNonExistentPath() {
 		$tmpFile = new File('/non/existent/file');
diff --git a/lib/Cake/Utility/Validation.php b/lib/Cake/Utility/Validation.php
index bbcaafc12..fba955444 100644
--- a/lib/Cake/Utility/Validation.php
+++ b/lib/Cake/Utility/Validation.php
@@ -77,7 +77,7 @@ class Validation {
 			extract(self::_defaults($check));
 		}
 
-		if (empty($check) && $check != '0') {
+		if (empty($check) && (string)$check !== '0') {
 			return false;
 		}
 		return self::_check($check, '/[^\s]+/m');